body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset,
img {
    border: 0
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
    font-style: normal;
    font-weight: normal;
}

ol,
ul {
    list-style: none;
}

caption,
th {
    text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
    font-weight: normal
}

q:before,
q:after {
    content: '';
}

abbr,
acronym {
    border: none
}

a {
    text-decoration: none;
    color: #000;
}

.clear {
    clear: both
}

.ctop {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 100;
    width: 100%;
    height: 100px;
    min-width: 768px;
}

.logo img {
    width: 4.71rem;
    height: auto;
}

.logo {
    width: 4.71rem;
    height: 100px;
    margin: 0 0 0 4rem;
    float: left;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    cursor: pointer;
}

.add {
    min-width: 768px;
}

.nav {
    height: 100px;
    float: right;
    text-align: right;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-box-pack: end;
    -ms-flex-pack: end;
    justify-content: flex-end;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    margin-right: 4rem;
    display: flex;
    align-items: center;
}

.nav li {
    list-style: none
}

.nav a {
    color: #ffffff;
    position: relative;
    font-size: 1rem;
    display: inline-block;
    margin-left: 1.72rem;
    opacity: .8;
    /* font-size: 18px!important; */
}

.ctop::after {
    clear: both;
    overflow: hidden;
}

.ctop::before {
    content: "";
    display: table;
}

.shouy::after {
    content: "";
    display: inline-block;
    background: #fff;
    height: 2px;
    width: 100%;
    position: absolute;
    bottom: -10px;
    left: 0;
}

.chu_vides img {
    width: 100%;
    height: auto;
    vertical-align: top;
}

.nav_l {
    float: left;
    width: 50%;
    box-sizing: border-box;
    clear: both;
    text-align: left;
}

@media screen and (max-width: 1680px) and (min-width: 1440px) {
    .font_size_xl {
        font-size: 18px!important;
    }
}

.nav_l a {
    margin-right: 3rem;
    display: inline-block;
    width: 4.8rem;
    color: #fff;
    font-size: 16px;
    position: relative;
    text-align: left;
    opacity: .6;
    margin-bottom: .4rem;
}

.nav-w {
    float: right;
    width: 43%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    text-align: left;
    opacity: .6;
}

.nav-w p {
    display: inline-block;
    width: 6.2rem;
    text-align: left;
    opacity: .6;
    font-size: .7rem;
    margin-right: 1.2rem;
    margin-bottom: .6rem;
}

.tis {
    margin-bottom: .75rem;
    color: #fff;
}

@media screen and (max-width: 1024px) {
    .font_size_xl {
        font-size: 14px!important;
    }
}

.navw {
    -webkit-box-pack: justify;
    justify-content: space-between;
    margin: 0 auto;
    -webkit-box-orient: horizontal;
    flex-direction: row;
    padding-bottom: 1.4rem;
    width: 53rem;
    display: flex;
    -webkit-box-direction: normal;
}

.home {
    height: 100%;
    position: relative;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    width: 100%;
    text-align: center;
    margin: 0 auto;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.home img {
    width: 100%!important;
}

.chu_idw {
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    height: 100%;
    position: fixed;
    -o-object-fit: cover;
    object-fit: cover;
    width: 100%;
}

.tupan {
    width: 23rem;
    height: 26rem;
    min-width: 23rem;
}

.inout {
    position: relative;
    z-index: 999;
    -webkit-animation: fadeIn 1.5s ease;
    animation: fadeIn 1.5s ease;
}

@media screen and (max-height: 767px) {
    .inout,
    .downwrap {
        -webkit-transform: scale(.9);
        transform: scale(.9);
    }
}

@media screen and (max-width: 1680px) {
    .mama {
        font-size: 44px!important;
    }
}

footer p {
    color: #fff;
    font-size: 12px;
    text-align: center;
    line-height: 1.6;
    cursor: pointer;
    width: 60rem;
    display: inline-block;
}

footer p span {
    display: inline-block;
    color: #fff;
    opacity: .4;
}

footer p a {
    color: #fff;
    opacity: 0.4;
    text-decoration: underline;
}

footer {
    width: 100%;
    position: relative;
    bottom: 0;
    left: 0;
    padding: 1.5rem;
    z-index: 200;
    background: #28344b;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-box-orient: vertical;
    -ms-flex-direction: column;
    flex-direction: column;
    text-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
}

@media screen and (max-width: 1024px) {
    .font_size {
        font-size: 12px!important;
    }
}